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7A,
<br /> BCR Associates Ltd. A. Teichert & Son
<br /> r 3550 Watt Ave x140, Sacramento, CA.
<br /> 103 N. 'E' Street
<br /> W - 1
<br /> A� 4
<br /> Drilled by: Spectrum Exploration Stockton, CA
<br /> Date: March 10. completed March 11, 1994 Sats Joaquin
<br /> Soil Boring Log
<br /> Rig Type: CME-75 HSA County, CA
<br /> Borehole Diameter: 10-Inch
<br /> Well Construction Logged by: Mark A. Richards
<br /> Signature: (/
<br /> 35
<br /> Fill/Native Soli Contact; note torque
<br /> Increase Drill Rig Rotary Torque
<br /> , ,
<br /> ,
<br /> 4.0 . ...•...•.. 6�I2 _, c..5 Silt: light brown, firm, dense, dry, no odor
<br /> 20 (ME)
<br /> Neat Cement/ X
<br /> Bentonite Grout ,`
<br /> 4.5 ... .: .. X 4'•10 /A. Silt: as Above
<br /> 22
<br /> Hydratod
<br /> Bentonito Pellet
<br /> Seal
<br /> 4)10 6,500 Clayey Sandy Slit: Olive grey, dense,
<br /> k V
<br /> ;�); f,t;[) some-faint greenish -mottling,--distinct
<br /> o"'N )r)U
<br /> white, friable, grainy concretions to
<br /> 15mm, discernable gasoline odor, damp,
<br /> (1�
<br /> 5.5 8.16.24 > 10,00 Silty Sand: Olive grey to orange brown,
<br /> rades from 'sand
<br /> 9 - y"'Slit,-to -silty sand,
<br /> slightly cohesive to loose, damp,
<br /> pungent gasoline odor. (SM)
<br /> 93 Lonestar
<br /> Sand Filter Pack
<br /> 5-0...,,;..- 416 > 10,0q Sand_ and Silty Sand: Intercalated fine sand
<br /> 24 ans silty sand, reddish brown, abundant
<br /> white grainy concretions, damp, pungent
<br /> gasoline odor (SP and SM).
<br /> 0.020 - inch
<br /> factory-slot
<br /> 4-inch —
<br /> 6.5 > 10,00 —'—
<br /> 5,12 - - Sand: Coarser, cleaner than above,
<br /> . ....-... -� ,- - -
<br /> .16..... .. .. . _- - Y _= -. ..loose,.trace-fines;-olive--to-dight-brown,
<br /> L � L
<br /> (PVC) screen trace sub angular grave, mafic rock fragmenwellt
<br /> • -�_ damp, strong gasoline odor, no concretions
<br /> (SP).
<br /> _
<br /> T _ T
<br /> 70 Sand, trace gravel, saturated, gas odor (SP)
<br /> k
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